DE2337339C3 - Verfahren zur Herstellung von Aluminium durch carbothermische Reduktion von Kyanit - Google Patents
Verfahren zur Herstellung von Aluminium durch carbothermische Reduktion von KyanitInfo
- Publication number
- DE2337339C3 DE2337339C3 DE2337339A DE2337339A DE2337339C3 DE 2337339 C3 DE2337339 C3 DE 2337339C3 DE 2337339 A DE2337339 A DE 2337339A DE 2337339 A DE2337339 A DE 2337339A DE 2337339 C3 DE2337339 C3 DE 2337339C3
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- kyanite
- silicon
- ore
- carbothermal reduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 42
- 229910052782 aluminium Inorganic materials 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 28
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 title claims description 22
- 239000010443 kyanite Substances 0.000 title claims description 22
- 229910052850 kyanite Inorganic materials 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910000676 Si alloy Inorganic materials 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 239000002893 slag Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 9
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000010666 hydroalumination reaction Methods 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- CNWZYDSEVLFSMS-UHFFFAOYSA-N tripropylalumane Chemical compound CCC[Al](CCC)CCC CNWZYDSEVLFSMS-UHFFFAOYSA-N 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000012188 paraffin wax Substances 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- 125000005234 alkyl aluminium group Chemical group 0.000 description 4
- -1 aluminum-silicon oxide Chemical compound 0.000 description 4
- 239000010445 mica Substances 0.000 description 4
- 229910052618 mica group Inorganic materials 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- XOCWTYIVWYOSGQ-UHFFFAOYSA-N dipropylalumane Chemical compound C(CC)[AlH]CCC XOCWTYIVWYOSGQ-UHFFFAOYSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052851 sillimanite Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003701 inert diluent Substances 0.000 description 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052849 andalusite Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000006025 fining agent Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/02—Obtaining aluminium with reducing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05277383 US3860415A (en) | 1972-08-02 | 1972-08-02 | Process for preparing aluminum |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2337339A1 DE2337339A1 (de) | 1974-02-14 |
| DE2337339B2 DE2337339B2 (de) | 1975-05-22 |
| DE2337339C3 true DE2337339C3 (de) | 1976-01-08 |
Family
ID=23060622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2337339A Expired DE2337339C3 (de) | 1972-08-02 | 1973-07-23 | Verfahren zur Herstellung von Aluminium durch carbothermische Reduktion von Kyanit |
Country Status (10)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303204A (en) * | 1976-10-28 | 1981-12-01 | Reynolds Metals Company | Upgrading of bauxites, bauxitic clays, and aluminum mineral bearing clays |
| DE2801274B1 (de) * | 1978-01-13 | 1978-08-31 | Vaw Ver Aluminium Werke Ag | Verfahren zur Herstellung stabiler Pellets fuer den Saeureaufschluss von aluminiumsilikathaltigen Erzen |
| JPS591777B2 (ja) * | 1980-04-22 | 1984-01-13 | 三井アルミニウム工業株式会社 | アルミニウムの還元製錬法 |
| SE450583B (sv) * | 1982-10-22 | 1987-07-06 | Skf Steel Eng Ab | Sett att framstella aluminium-kisel-legeringar |
| SE515128C2 (sv) * | 1997-06-03 | 2001-06-11 | Kanthal Ab | Förfarande för värmebehandling jämte en ugnsbottenkonstruktion för högtemperaturugnar |
| CN101775493B (zh) * | 2010-01-08 | 2012-07-04 | 甘肃紫鑫矿业煤化工有限公司 | 用红柱石原矿为原料直接还原制备硅钡铝钙钛多元合金的方法 |
| CN104513902A (zh) * | 2013-09-30 | 2015-04-15 | 林州市林丰铝电有限责任公司 | 一种铝渣回收方法 |
| CN103695656A (zh) * | 2013-12-04 | 2014-04-02 | 台澳铝业（台山）有限公司 | 一种铝灰回收利用方法 |
| CN106077682B (zh) * | 2016-07-29 | 2018-02-16 | 刘冠华 | 一种浓缩高纯活性铝粉的装置及方法 |
| CN111167831B (zh) * | 2020-01-03 | 2023-01-17 | 武翠莲 | 一种催化分解含铝硅酸盐的方法 |
| US11739395B1 (en) * | 2022-05-05 | 2023-08-29 | The United States Of America As Represented By The Secretary Of The Navy | Embrittled aluminum alloys for powder manufacturing |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US602976A (en) * | 1898-04-26 | Guillaume de chalmot | ||
| US2755178A (en) * | 1952-07-30 | 1956-07-17 | Robert T C Rasmussen | Electric smelting process for production of silicon-aluminum alloys |
| US2757077A (en) * | 1953-06-12 | 1956-07-31 | Crucible Steel Co America | Method of recovering metallic values from ores containing iron and nickel |
| US3155493A (en) * | 1960-08-12 | 1964-11-03 | Sumitomo Chemical Co | Method for manufacturing high purity aluminum |
| US3112179A (en) * | 1960-11-30 | 1963-11-26 | Gen Aniline & Film Corp | Preparation of iron and nickel carbonyls |
| FR1309217A (fr) * | 1961-08-09 | 1962-11-16 | Sumitomo Chemical Co | Procédé de préparation d'aluminium de grande pureté |
| FR1409564A (fr) * | 1963-08-30 | 1965-08-27 | Sumitomo Chemical Co | Procédé de fabrication des composés d'alcoylaluminium |
| FR1390445A (fr) * | 1964-01-24 | 1965-02-26 | Sumitomo Chemical Co | Procédé pour la fabrication de l'aluminium |
| US3535108A (en) * | 1969-09-22 | 1970-10-20 | Ethyl Corp | Process for producing aluminum |
-
1972
- 1972-08-02 US US05277383 patent/US3860415A/en not_active Expired - Lifetime
-
1973
- 1973-07-04 CA CA175,617A patent/CA985911A/en not_active Expired
- 1973-07-18 GB GB3422473A patent/GB1415475A/en not_active Expired
- 1973-07-23 DE DE2337339A patent/DE2337339C3/de not_active Expired
- 1973-07-24 NO NO298773A patent/NO136542C/no unknown
- 1973-07-31 AU AU58743/73A patent/AU477098B2/en not_active Expired
- 1973-07-31 CH CH1120673A patent/CH594737A5/xx not_active IP Right Cessation
- 1973-08-01 FR FR7328187A patent/FR2194790B1/fr not_active Expired
- 1973-08-02 SE SE7310665A patent/SE404032B/xx unknown
- 1973-08-02 JP JP8721573A patent/JPS4953514A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU5874373A (en) | 1975-02-06 |
| NO136542C (no) | 1977-09-21 |
| CA985911A (en) | 1976-03-23 |
| GB1415475A (en) | 1975-11-26 |
| NO136542B (enrdf_load_stackoverflow) | 1977-06-13 |
| US3860415A (en) | 1975-01-14 |
| DE2337339A1 (de) | 1974-02-14 |
| CH594737A5 (enrdf_load_stackoverflow) | 1978-01-31 |
| SE404032B (sv) | 1978-09-18 |
| DE2337339B2 (de) | 1975-05-22 |
| AU477098B2 (en) | 1976-10-14 |
| JPS4953514A (enrdf_load_stackoverflow) | 1974-05-24 |
| FR2194790A1 (enrdf_load_stackoverflow) | 1974-03-01 |
| FR2194790B1 (enrdf_load_stackoverflow) | 1977-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2337339C3 (de) | Verfahren zur Herstellung von Aluminium durch carbothermische Reduktion von Kyanit | |
| DE2034385C3 (de) | Verfahren zur Gewinnung von schwerschmelzbaren Metallen in kompakter Form aus deren Oxiden | |
| DE2915760C2 (enrdf_load_stackoverflow) | ||
| DE2807034C2 (de) | Verfahren zur Herstellung von metallischem Chrom | |
| DE3001722A1 (de) | Verfahren zur reinigung von aluminium | |
| EP0089010B1 (de) | Semikontinuierliches Verfahren zur Herstellung von reinem Silicium | |
| CA1049267A (en) | Method of reclaiming nickel values from a nickeliferous alloy | |
| DE2731521A1 (de) | Verfahren zur herstellung von ferromolybdaenlegierungen | |
| EP0501142A1 (de) | Verfahren zur Herstellung eines monoklinen Zirkonoxids | |
| DE3390076T1 (de) | Verfahren zur Herstellung von wasserfreiem Aluminiumchlorid | |
| DE2657071C2 (de) | Verfahren zur Herstellung von Aluminiumchlorid | |
| EP3847131B1 (de) | Verfahren zur raffination von rohsilicium-schmelzen mittels eines partikulären mediators | |
| US4220629A (en) | Chlorination of ores with catalyzed metal chlorides | |
| DE3616048A1 (de) | Verfahren zur herstellung von metallsulfiden, insbesondere von mangan (ii)-sulfid, und von weiteren binaeren verbindungen aus einem metall und einem nichtmetall unmittelbar aus den elementen | |
| DE3109318C2 (de) | Verfahren zur carbothermischen Herstellung von Aluminium | |
| DE1076131B (de) | Verfahren zur Herstellung von Organohalogensilanen | |
| US3954443A (en) | Aluminum process | |
| EP0060826B1 (de) | Verfahren zur Rückgewinnung von Schwermetallen | |
| EP3962860B1 (de) | Verfahren zur raffination von rohsilicium-schmelzen mittels eines partikulären mediators | |
| US3860416A (en) | Modified aluminum process | |
| DE4124547C2 (de) | Verfahren zur Isolierung von Titananteilen | |
| US4925488A (en) | Removal of copper from ferrous scrap | |
| DE19833419C2 (de) | Verfahren zur Verarbeitung von aluminiumhaltigen Reststoffen | |
| DE1937048A1 (de) | Verfahren zur Gewinnung von Metallen aus metallhaltigen Schlacken | |
| US2756141A (en) | Process for recovering alkaline earth metal from admixture with alkali metal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |